Combined valve and regulator



FIG. 1 is a top/left-side/front-end perspective view of a combined valve and regulator showing my new design;

FIG. 2 is a left-side elevational view thereof, the right-side elevational view being a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front-end elevational view thereof. 

I claim the ornamental design for a combined valve and regulator, as shown and described. 